TLX Insulation Ltd has been setting

standards of excellence in high

performance breathable membranes

and building insulation for nearly

25 years. We’ve now used our

knowledge and expertise to create

TLX - the first ever bat friendly,

energy-saving breather membrane.

Until now when Bats are found, only 1F

felt has been used. This has come at

considerable cost to energy saving

because 1F felt requires extra rafter space

if insulation is used; in old buildings this is

often not possible.

TLX is designed with a

tough mesh protection. Unlike 1F felt,

TLX is lightweight, high

strength and breathable whilst

continuing to offer all the usual levels

of performance you’d expect from

TLX energy-saving breather

membranes.

TLX Insulation Ltd.Moss LaneBlackrodBoltonBL6 5JB01204 695666www.tlxinsulation.co.uk We’ve got the answers... just ask

Applications

• Can be used in warm or cold roof constructions • Suitable for unsupported and supported applications

Fixing instructions• Install Batsafe in accordance with the following

instructions and with the relevant standards, forexample:

• BS 5534:2014+A2:2018 Code of Practice forslating and TIiing

• BS 5250:2011 Code of Practice for the controlof condensation in Buildings

• Lap Batsafe according to the following tables- minimum overlap requirements:

Limitation advice• Laid directly over insulation a vapour control layer may be required on the warm side of

the insulation. Refer to BS5250 : 2011 British Standard Code of Practice for the Controlof Condensation in Buildings

• Do not bring into contact with solvents or undried timber preservatives• Avoid excessive use of nails and clamps• Damaged areas should be covered with a second layer of Batsafe, sealing around the edges

with a proprietary breather membrane tape with thick acrylic adhesive and applying pressure• Counter-battening is recommended• Batsafe may be used as a temporary waterproof covering for up to 2 weeks. However, like all

polymer membranes, sunlight will cause gradual deterioration and it is good practice to coverwith tiles or slates at the earliest opportunity. In periods of intense sunlight, protect the roofunderlay with a temporary cover prior to tiling or slating

TLX Insulation Ltd. Moss Lane, Station Road Blackrod, Lancs BL6 5JB 01204 695666 www.tlxinsulation.co.uk We’ve got the answers... just ask

THERMAL HOTLINE

01204 674730

• At eaves, use an eaves guard or eaves sheetextending into the gutterthen overlap the eavesguard with the first run ofBatsafe, black side uppermost (1)

• Lay Batsafe parallel to eaves, starting at the eaves and working up the slope of the roof (2)

• For unsupportedapplications, allow Batsafe o drape slightly (at least 10mm) between the rafters to allow water run-off.

• Where Batsafe is installedover a fully supported system,fix counter battens, at least25mm thick, over the underlayand through to the raftersusing corrosion-resistant clout nails. Fix tile battens to the counter battens so that there is an uninterrupted air space between the underlay and the roof tiles or slates.

• At hips Batsafe should be lapped over 600mm (min)wide strips of Batsafe covering hips

• At valleys a conventional breather membrane orprotective sheet should be used underneath thevalley lining itself with the Batsafe lapping over itunder the first tile

fully supported

150

100

75

Roof Pitch

12.5°-14°

15°-30°

34° +

Horizontal Lap mm

partially supported

225

150

100

Vertical Lap mm

100

100

100

Hips mm 150

Valleys mm 300

Standard ridges mm 150 on either side of the apex

Installation Instructions